<div class="header">
    <nav class="navbar navbar-default">
        <div class="container-fluid">
            <div class="collapse navbar-collapse">
                <ul class="nav navbar-nav navbar-right">
                    <li><a routerLink="/dashboard">Dashboard</a></li>
                    <li class="dropdown" [ngClass]="{'open':dropDownOpen}">
                        <a (click)="dropDown()" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Options <span class="caret"></span></a>
                        <ul class="dropdown-menu">
                            <li><a routerLink="/task" (click)="dropDown()">Task</a></li>
                            <li><a routerLink="/zone" (click)="dropDown()">User Zone</a></li>
                            <li><a routerLink="/setting" (click)="dropDown()">Setting</a></li>
                            <li role="separator" class="divider"></li>
                            <li><a routerLink="/logout" (click)="dropDown()">Logout</a></li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </nav>
</div>